Think back to the inspiration for modern UI. It's a flight engineer in the back of the cockpit, or an astronaut on his way to the moon. He has some buttons an

Think back to the inspiration for modern UI. It's a flight engineer in the back of the cockpit, or an astronaut on his way to the moon. He has some buttons and switches, a lot of gauges and maybe a couple of digital displays. Then think about documents. The written word. Information graphics. What the web has been trying to do is make an astronaut's control panel the same kind of thing as a Guttenberg bible. That is a very tall order, and it's not surprising that it's taking some iteration.